使用表单POST之后,如何在会话中存储变量? [英] After using a form POST how can I store the variable in session?
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问题描述
这可能吗?我已经使用表单发布发送了一个值,并在php中进行了检索,但是如果我刷新,它就会消失.可以存储吗?
Is this possible? I have sent a value using a form post and retrived in the php but if i refresh it disappears. Can this be stored?
推荐答案
是的,您可以将其存储在SESSION
中.请阅读以下代码:-
Yes you can store it in SESSION
. Please read the following code:-
<?php
// Start the session
session_start();
?>
<!DOCTYPE html>
<html>
<body>
<?php
// Check Post variables are available
if(isset($_POST['username']))
{
echo $_POST['username']." Username found in form <br />";
// Set session variables
$_SESSION["username"] = $_POST['username'];
echo $_SESSION["username"]." stored in session <br />";;
}
else
echo 'No, form submitted. Your old stored username was '.$_SESSION["username"];
//echo 'No, form submitted.';
?>
</body>
</html>
要在wordpress
To start session in wordpress
在functions.php中编写以下代码
Write below code in your functions.php
function register_my_session()
{
if( !session_id() )
{
session_start();
}
}
add_action('init', 'register_my_session');
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